187788340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1627}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 410256000

約数和(自身を除く): 222467660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1627, 1990, 3254, 3980, 5771, 6508, 8135, 11542, 16270, 23084, 28855, 32540, 47183, 57710, 94366, 115420, 188732, 235915, 323773, 471830, 647546, 943660, 1295092, 1618865, 3237730, 6475460, 9389417, 18778834, 37557668, 46947085, 93894170, 187788340]

約数ペア:

[(1, 187788340), (2, 93894170), (4, 46947085), (5, 37557668), (10, 18778834), (20, 9389417), (29, 6475460), (58, 3237730), (116, 1618865), (145, 1295092), (199, 943660), (290, 647546), (398, 471830), (580, 323773), (796, 235915), (995, 188732), (1627, 115420), (1990, 94366), (3254, 57710), (3980, 47183), (5771, 32540), (6508, 28855), (8135, 23084), (11542, 16270)]